The NZW30 switch has been working fine to power a dumb ceiling light for about 3-4 years. Configured to use as a switch or via Smartthings.
About 2 weeks ago whenever I would switch the light on in the morning (via the switch or via smartthings), it will turn on then suddenly you hear the relay toggle between on and off multiple times for a few seconds causing the lights to strobe on and off. Then it finally settles in the on state, and stays stable.
It seems to only happen after the switch has been off for a while, like 1 hour +. I can only guess that something inside is building a charge over time causing the relay to sit in an unstable state? Or maybe it just happens with an old relay after a while.
Any ideas on what might be happening / how I can go about repairing?